vendor: update compose-go to v2.0.0-rc.3

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/compose-spec/compose-go/v2/schema/schema.go

@@ -0,0 +1,164 @@
+/*
+   Copyright 2020 The Compose Specification Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package schema
+
+import (
+	// Enable support for embedded static resources
+	_ "embed"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/xeipuuv/gojsonschema"
+)
+
+type portsFormatChecker struct{}
+
+func (checker portsFormatChecker) IsFormat(_ interface{}) bool {
+	// TODO: implement this
+	return true
+}
+
+type durationFormatChecker struct{}
+
+func (checker durationFormatChecker) IsFormat(input interface{}) bool {
+	value, ok := input.(string)
+	if !ok {
+		return false
+	}
+	_, err := time.ParseDuration(value)
+	return err == nil
+}
+
+func init() {
+	gojsonschema.FormatCheckers.Add("expose", portsFormatChecker{})
+	gojsonschema.FormatCheckers.Add("ports", portsFormatChecker{})
+	gojsonschema.FormatCheckers.Add("duration", durationFormatChecker{})
+}
+
+// Schema is the compose-spec JSON schema
+//
+//go:embed compose-spec.json
+var Schema string
+
+// Validate uses the jsonschema to validate the configuration
+func Validate(config map[string]interface{}) error {
+	schemaLoader := gojsonschema.NewStringLoader(Schema)
+	dataLoader := gojsonschema.NewGoLoader(config)
+
+	result, err := gojsonschema.Validate(schemaLoader, dataLoader)
+	if err != nil {
+		return err
+	}
+
+	if !result.Valid() {
+		return toError(result)
+	}
+
+	return nil
+}
+
+func toError(result *gojsonschema.Result) error {
+	err := getMostSpecificError(result.Errors())
+	return err
+}
+
+const (
+	jsonschemaOneOf = "number_one_of"
+	jsonschemaAnyOf = "number_any_of"
+)
+
+func getDescription(err validationError) string {
+	switch err.parent.Type() {
+	case "invalid_type":
+		if expectedType, ok := err.parent.Details()["expected"].(string); ok {
+			return fmt.Sprintf("must be a %s", humanReadableType(expectedType))
+		}
+	case jsonschemaOneOf, jsonschemaAnyOf:
+		if err.child == nil {
+			return err.parent.Description()
+		}
+		return err.child.Description()
+	}
+	return err.parent.Description()
+}
+
+func humanReadableType(definition string) string {
+	if definition[0:1] == "[" {
+		allTypes := strings.Split(definition[1:len(definition)-1], ",")
+		for i, t := range allTypes {
+			allTypes[i] = humanReadableType(t)
+		}
+		return fmt.Sprintf(
+			"%s or %s",
+			strings.Join(allTypes[0:len(allTypes)-1], ", "),
+			allTypes[len(allTypes)-1],
+		)
+	}
+	if definition == "object" {
+		return "mapping"
+	}
+	if definition == "array" {
+		return "list"
+	}
+	return definition
+}
+
+type validationError struct {
+	parent gojsonschema.ResultError
+	child  gojsonschema.ResultError
+}
+
+func (err validationError) Error() string {
+	description := getDescription(err)
+	return fmt.Sprintf("%s %s", err.parent.Field(), description)
+}
+
+func getMostSpecificError(errors []gojsonschema.ResultError) validationError {
+	mostSpecificError := 0
+	for i, err := range errors {
+		if specificity(err) > specificity(errors[mostSpecificError]) {
+			mostSpecificError = i
+			continue
+		}
+
+		if specificity(err) == specificity(errors[mostSpecificError]) {
+			// Invalid type errors win in a tie-breaker for most specific field name
+			if err.Type() == "invalid_type" && errors[mostSpecificError].Type() != "invalid_type" {
+				mostSpecificError = i
+			}
+		}
+	}
+
+	if mostSpecificError+1 == len(errors) {
+		return validationError{parent: errors[mostSpecificError]}
+	}
+
+	switch errors[mostSpecificError].Type() {
+	case "number_one_of", "number_any_of":
+		return validationError{
+			parent: errors[mostSpecificError],
+			child:  errors[mostSpecificError+1],
+		}
+	default:
+		return validationError{parent: errors[mostSpecificError]}
+	}
+}
+
+func specificity(err gojsonschema.ResultError) int {
+	return len(strings.Split(err.Field(), "."))
+}